CN221149511U - An experimental device for preparing and exploring nitrogen properties - Google Patents

Abstract

The utility model provides a nitrogen preparation and property exploration experimental device, which comprises a fixed block, wherein a groove is formed in one side of the fixed block, end plates are arranged at two ends of the fixed block, a heat dissipation mechanism is arranged on one side of each of the two groups of end plates in a penetrating manner, and a protection frame is arranged above the two groups of end plates; a heating plate and a gas collecting bottle are arranged above the fixed block, a heat conducting layer is arranged above the heating plate, a beaker is arranged above the heat conducting layer, a measuring scale is arranged on one side of the beaker, and a cup cover is arranged above the beaker; a rubber plug is arranged above the gas collecting bottle. This nitrogen gas preparation and property research experimental apparatus is when using, and the student opens the bowl cover, puts ammonium chloride solid, alkali and a small amount of water in the beaker, through operating control button, can let the hot plate carry out heating treatment to the bottom of beaker through the heat-conducting layer to produce nitrogen gas, easy operation can avoid the student to use open flame, and heat dissipation mechanism can cool down the processing to the beaker, makes things convenient for the student to collect nitrogen gas.

Description

Nitrogen preparation and property exploration experimental device

Technical Field

The utility model belongs to the technical field of experimental devices, and particularly relates to a nitrogen preparation and property exploration experimental device.

Background

In teaching experiments, in order to help students to know the relevant properties of nitrogen more clearly, nitrogen preparation and property exploration experiment devices are generally used, so that the students can make nitrogen by themselves to meet the teaching requirements of chemical experiments. However, when the traditional nitrogen preparation and property exploration experimental device is used, the beaker is heated by the alcohol lamp, but the alcohol lamp is easy to turn over when in use, so that safety accidents are caused, and after the exploration experiment is completed, the beaker is required to be naturally cooled, so that the nitrogen can be collected, and the efficiency is lower.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a nitrogen preparation and property exploration experimental device, which aims to solve the technical problems that in the prior art, a traditional nitrogen preparation and property exploration experimental device usually uses an alcohol lamp to heat a beaker, so that safety accidents are easy to cause, and after experiments, the beaker needs to be naturally cooled to collect nitrogen, so that the efficiency is low.

The aim and the efficacy of the nitrogen preparation and property research experimental device are achieved by the following specific technical means:

The nitrogen preparation and property exploration experimental device comprises a fixed block, wherein a groove is formed in one side of the fixed block, end plates are arranged at two ends of the fixed block, a heat dissipation mechanism is arranged on one side of each of the two groups of end plates in a penetrating manner, and a protection frame is arranged above each of the two groups of end plates; a heating plate and a gas collecting bottle are arranged above the fixed block, a heat conducting layer is arranged above the heating plate, a beaker is arranged above the heat conducting layer, a measuring scale is arranged on one side of the beaker, and a cup cover is arranged above the beaker; a rubber plug is arranged above the gas collection bottle.

According to a preferred embodiment, the two groups of heat dissipation mechanisms comprise a first protective shell, a second protective shell is arranged on one side of the first protective shell, and a fan body is arranged between the first protective shell and the second protective shell.

According to a preferred embodiment, one side of the first protective shell is connected to the end plate, and the second protective shell is arranged on one side of the end plate in a penetrating manner.

According to a preferred embodiment, a connector is arranged above the cup cover, an end cover and a conveying pipe are arranged at one end of the connector, one end of the conveying pipe penetrates through the upper side of the end cover, and the other end of the conveying pipe penetrates through the top surface of the rubber plug.

According to a preferred embodiment, an energy storage box is arranged in the groove, and a control button is arranged on one side of the energy storage box.

According to a preferred embodiment, a plurality of groups of fixing holes are formed in two sides of the fixing block and two sides of the protection frame, and fixing screws are arranged in the corresponding fixing holes.

According to a preferred embodiment, a plurality of groups of anti-slip pads are arranged below the fixed block, and a handle is arranged above the protection frame.

Compared with the prior art, the utility model has the following beneficial effects:

1. this nitrogen gas preparation and property research experimental apparatus is when using, the student opens the bowl cover, add ammonium chloride solid and alkali in the beaker, observe through using the dipperstick, let the student can control the proportion of ammonium chloride solid and alkali, add a small amount of water in to the beaker again, place the bowl cover in original place again, the student is through controlling control button, can let the energy storage case supply power to the hot plate, thereby let the hot plate carry out heating treatment to the bottom of heat-conducting layer, and the bottom of beaker can be guaranteed to the heat-conducting layer can evenly be heated, let ammonium chloride and alkali produce the reaction, thereby produce nitrogen gas and water, and the nitrogen gas will be transferred in the gas collection bottle from the conveyer pipe, make things convenient for the student to observe, easy operation can reduce the emergence of incident.

2. When the nitrogen preparation and property exploration experimental device is used, students can control the control button to stop the heating plate and then the energy storage box supplies power to the heat radiation mechanism, so that the heat radiation mechanism can rapidly cool the beaker, the students can conveniently collect nitrogen, the teaching efficiency is improved to a certain extent,

Drawings

FIG. 1 is a schematic view of the assembled structure of the present utility model.

Fig. 2 is a schematic diagram of the split structure of the present utility model.

Fig. 3 is an expanded schematic view of the present utility model.

Fig. 4 is a cross-sectional view of the present utility model.

Fig. 5 is a bottom view of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. A fixed block; 2. a groove; 3. an end plate; 4. a first protective case; 5. a second protective case; 6. a fan body; 7. a protective frame; 8. a fixing hole; 9. a set screw; 10. a heating plate; 11. a heat conducting layer; 12. a beaker; 13. a measuring ruler; 14. a cup cover; 15. a joint; 16. an end cap; 17. a gas collecting bottle; 18. a rubber stopper; 19. a delivery tube; 20. an energy storage tank; 21. a control button; 22. a handle; 23. an anti-slip mat.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the technical scheme of the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

As shown in fig. 1 to 5, the utility model provides a nitrogen preparation and property exploration experimental device, which comprises a fixed block 1, wherein a groove 2 is formed in one side of the fixed block 1, end plates 3 are arranged at two ends of the fixed block 1, a heat dissipation mechanism is arranged on one side of each of the two groups of end plates 3 in a penetrating manner, and a protection frame 7 is arranged above each of the two groups of end plates 3; a heating plate 10 and a gas collecting bottle 17 are arranged above the fixed block 1, a heat conducting layer 11 is arranged above the heating plate 10, a beaker 12 is arranged above the heat conducting layer 11, a measuring scale 13 is arranged on one side of the beaker 12, and a cup cover 14 is arranged above the beaker 12; a rubber plug 18 is arranged above the gas collection bottle 17.

The protection frame 7 can play certain guard action to nitrogen gas preparation and the inside equipment of property research experimental apparatus, and multiunit fixed orifices 8 have all been seted up to the both sides of fixed block 1 and the both sides of protection frame 7, all wear to be equipped with set screw 9 in the fixed orifices 8 of two sets of correspondences, the student is through dismantling set screw 9, can let the protection frame 7 be opened, make things convenient for the student to operate to nitrogen gas preparation and property research experimental apparatus, and be provided with energy storage box 20 in recess 2, one side of energy storage box 20 is provided with control button 21, the student is through opening bowl cover 14, add ammonium chloride solid and alkali in beaker 12, observe through using dipperstick 13, can carry out accurate control to the proportion of ammonium chloride solid and alkali, add a small amount of water in beaker 12 again, place bowl cover 14 in the top of beaker 12, the student is through controlling control button 21, can let energy storage box 20 carry out the power supply treatment to hot plate 10, thereby make things convenient for bottom heating to heat conducting layer 11, and layer 11 can guarantee the bottom of 12 and evenly heat the beaker, the effect of heating up the beaker with the nitrogen gas is avoided taking place in the beaker 12, thereby the bottom is heated with the nitrogen gas is convenient for the students and the safety accident takes place.

As shown in fig. 2, the connector 15 is arranged above the cup cover 14, the end cover 16 is arranged at one end of the connector 15, the conveying pipe 19 is arranged at one end of the conveying pipe 19 in a penetrating manner above the end cover 16, the other end of the conveying pipe 19 is arranged at the top surface of the rubber plug 18 in a penetrating manner, students can take out one end of the conveying pipe 19 from the connector 15 through rotating the end cover 16, the conveying pipe 19 is convenient to replace, the rubber plug 18 has good sealing performance, gas can be prevented from leaking from the gas collecting bottle 17 to the outside, and when the bottom of the cup cover 14 is heated, generated nitrogen is transferred from the conveying pipe 19 into the gas collecting bottle 17, so that the students can observe conveniently.

Two sets of cooling mechanism are including first protective housing 4, one side of first protective housing 4 is provided with second protective housing 5, be provided with fan body 6 between first protective housing 4 and the second protective housing 5, one side of first protective housing 4 is connected with end plate 3, one side of end plate 3 is worn to locate by second protective housing 5, and first protective housing 4 and second protective housing 5 can play certain guard action to fan body 6, the student is through controlling control button 21, let energy storage case 20 stop carrying out the power supply to heating plate 10 and handle, thereby let heating plate 10 stop work, the student operates control button 21 again, let energy storage case 20 carry out the power supply to cooling mechanism and handle, thereby let fan body 6 in the cooling mechanism start to operate, can carry out quick cooling to beaker 12 and handle, make things convenient for the student to collect nitrogen gas.

As shown in fig. 4 and 5, the lower part of the fixed block 1 is provided with a plurality of groups of anti-slip pads 23, so that the friction force of the bottom surface of the fixed block 1 can be increased, the fixed block 1 is prevented from slipping on a tabletop, and the upper part of the protective frame 7 is provided with a handle 22, so that students can conveniently transfer nitrogen preparation and property exploration experimental devices to other areas.

Specific use and action of the embodiment:

This nitrogen gas preparation and property research experimental apparatus is when producing nitrogen gas, the student is through dismantling fixed screw 9, open guard box 7, the student opens bowl cover 14 again, add ammonium chloride solid and alkali in beaker 12, observe through using dipperstick 13, control the proportion of ammonium chloride solid and alkali, add a small amount of water in to beaker 12 again, place bowl cover 14 in the original place again, the student is through controlling control button 21, can let energy storage case 20 supply power to heating plate 10, thereby let heating plate 10 carry out heat treatment to the bottom of heat-conducting layer 11, and the bottom of beaker 12 can be guaranteed to be heated evenly to heat-conducting layer 11, let ammonium chloride and alkali produce the reaction, thereby produce nitrogen gas and water, and the nitrogen gas will be shifted to in the gas-collecting bottle 17 from conveyer pipe 19, make things convenient for the student to observe, easy operation.

This nitrogen gas preparation and property research experimental apparatus is when collecting nitrogen gas, and the student is through controlling control button 21, lets hot plate 10 stop working, lets energy storage case 20 supply power to heat dissipation mechanism again to let heat dissipation mechanism carry out the rapid cooling to beaker 12, make things convenient for the student to collect nitrogen gas.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments.

Claims (7)

1. A nitrogen preparation and property exploration experimental device, characterized in that: it comprises a fixed block (1), a groove (2) is provided on one side of the fixed block (1), end plates (3) are provided at both ends of the fixed block (1), a heat dissipation mechanism is provided on one side of two groups of the end plates (3), and a protective frame (7) is provided above the two groups of the end plates (3); a heating plate (10) and a gas collecting bottle (17) are provided above the fixed block (1), a heat conducting layer (11) is provided above the heating plate (10), a beaker (12) is provided above the heat conducting layer (11), a measuring ruler (13) is provided on one side of the beaker (12), and a cup cover (14) is provided above the beaker (12); a rubber stopper (18) is provided above the gas collecting bottle (17). 2. A nitrogen preparation and property exploration experimental device according to claim 1, characterized in that: the two groups of heat dissipation mechanisms include a first protective shell (4), a second protective shell (5) is arranged on one side of the first protective shell (4), and a fan body (6) is arranged between the first protective shell (4) and the second protective shell (5). 3. A nitrogen preparation and property exploration experimental device according to claim 2, characterized in that: one side of the first protective shell (4) is connected to the end plate (3), and the second protective shell (5) is penetrated through one side of the end plate (3). 4. A nitrogen preparation and property exploration experimental device according to claim 1, characterized in that: a joint (15) is arranged above the cup cover (14), one end of the joint (15) is provided with an end cover (16), and a delivery pipe (19), one end of the delivery pipe (19) is passed through the top of the end cover (16), and the other end of the delivery pipe (19) is passed through the top surface of the rubber stopper (18). 5. A nitrogen preparation and property exploration experimental device according to claim 4, characterized in that: an energy storage box (20) is arranged in the groove (2), and a control button (21) is arranged on one side of the energy storage box (20). 6. A nitrogen preparation and property exploration experimental device according to claim 5, characterized in that: multiple groups of fixing holes (8) are provided on both sides of the fixing block (1) and both sides of the protection frame (7), and fixing screws (9) are inserted into the two corresponding groups of fixing holes (8). 7. A nitrogen preparation and property exploration experimental device according to claim 6, characterized in that: a plurality of groups of anti-slip pads (23) are arranged below the fixed block (1), and a handle (22) is arranged above the protection frame (7).